2 MCW 60 on a 3870X2?

[leo_bsb]

Do you guys think that we can fit 2 MCW60 on a 3870X2? Does it have ramsinks like the 3870 or we will need a lot of enzotechs?
What about the PCI express chip, it is just in the middle, I thought we could use 2 MCW60, a short tube linking the 2 and some kind of 90º elbow for in and out.
The issue is the PCI express chip between the 2 cores.

[leo_bsb]

anandtech picture.

another picture

[Garrett]

I think the holes around the GPU are simply too close together for the MCW60 to fit at all... I mean the block is too big.
Has anyone got exact measurements?

[zbogorgon]

and there are like zillion things to cool beside the two cores

[leo_bsb]

I think the holes around the GPU are simply too close together for the MCW60 to fit at all... I mean the block is too big.
Has anyone got exact measurements?

I don't think so, the MCW60 can be used on a standard 3870, should be the same hole pattern

and there are like zillion things to cool beside the two cores

Well, that is why I asked if the 3870X2 has memory heatsinks similar to the 3870, that way we could use just a core block and leave the stock heatsink on the memory and mosfets chips.

[leo_bsb]

Probably I'll get an EK waterblock, I'm just concerned about water flow loss, 2 mcw60 will result in 1.66 GPM using my build (DDC3.3 + petra's top, fuzion with quad nozzle and PA120.3).
If the EK 3870X2 has a similar pressure drop (probably worst) than a EK8800 it will result in 1.51 GPM.
Not that much, right? Considering now I'll have two graphics cores watercooled.

[Xilikon]

With the EK block, don't count it as 2 since it has a single water channel. Maybe like a EK x 1.2.

[leo_bsb]

sure, a single and longer waterchannel. I counted it as an EK8800 standard.
I'm sure it is worst, only Martin will tell us how worst.

[DarthBeavis]

I am sure vendors will have full coverage blocks soon . . .that sure is alot of card to cool tho . . .wonder when we will have dual-core gpus on a single die . . .

[ColonelCain]

I don't think so, the MCW60 can be used on a standard 3870, should be the same hole pattern



Well, that is why I asked if the 3870X2 has memory heatsinks similar to the 3870, that way we could use just a core block and leave the stock heatsink on the memory and mosfets chips.

I don't think that it has the same hole pattern. But, that wouldn't be that hard to overcome. For example, right now I am using a G80 hold-down plate 3870, just did some careful measuring and drilling of the plate.

[leo_bsb]

added another picture, I think it is possible, it will depends on the cooling needed for the pci express chip.

[Martinm210]

That's alot of ramsinks..

[leo_bsb]

Sure Martin, maybe we are looking to a full block only card.

[nonlnear]

Probably I'll get an EK waterblock, I'm just concerned about water flow loss, 2 mcw60 will result in 1.66 GPM using my build (DDC3.3 + petra's top, fuzion with quad nozzle and PA120.3).
If the EK 3870X2 has a similar pressure drop (probably worst) than a EK8800 it will result in 1.51 GPM.
Not that much, right? Considering now I'll have two graphics cores watercooled.

If flow loss is your concern, why not run two MCW60s in parallel? It'll be a damn sight better than a full coverage block, as long as you've got enough flow to keep the MCW60s beyond the elbow in their PQ curves. I'm not sure if the calculator handles parallel setups or not though.

[leo_bsb]

the problem is the placement, not the flow, two mcw60 will hurt flow less, but it seems that they will not fit without interfere with the other heatsinks.

[LordEC911]

Probably I'll get an EK waterblock, I'm just concerned about water flow loss, 2 mcw60 will result in 1.66 GPM using my build (DDC3.3 + petra's top, fuzion with quad nozzle and PA120.3).
If the EK 3870X2 has a similar pressure drop (probably worst) than a EK8800 it will result in 1.51 GPM.
Not that much, right? Considering now I'll have two graphics cores watercooled.

And here I was thinking +1.5GPM is good...
A certain review mentioned the holes being tighter than the normal HD3870 but has similar spacing to the 7600gt.

[systemviper]

Yea, look at the back of the stock cooler, curtesy of DD.

That is a lot of stuff to cool without a single solution....




Danger Den WaterBlock....





EK Water Block





Cool it's Solution

[disruptfam]

wow coolit thats the ugliest thing i ever seen in my life! lol

ek one looks the best as usual wonder if it performs the best though?

[systemviper]

wow coolit thats the ugliest thing i ever seen in my life! lol

ek one looks the best as usual wonder if it performs the best though?

Yea, when I saw Cool it's i just had to throw it up there for laughs

[Boogerlad]

y does the stock cooler have one aluminum and one copper heatsink for the core?

[nonlnear]

the problem is the placement, not the flow, two mcw60 will hurt flow less, but it seems that they will not fit without interfere with the other heatsinks.

Well then a full coverage solution definitely makes the most sense.

[Nate P.]

y does the stock cooler have one aluminum and one copper heatsink for the core?

Price?

[chiguy]

y does the stock cooler have one aluminum and one copper heatsink for the core?

Not sure how accurate this is but this is an idea:

http://www.tomshardware.com/2008/01/...x_2/page4.html

[nonlnear]

wow coolit thats the ugliest thing i ever seen in my life! lol

ek one looks the best as usual wonder if it performs the best though?

The coolit is fugly, but at least they had the good sense to cool the two cores in parallel. If only EK had done that, there might be a design worth falling in love with...

[Jon Boy Deluxe]

What is the definative answer? Yes or no?

I see a lot of speculation but no one with concrete evidence. I'm holding back my order of my X2 and another mcw60 until I get an answer!

I would really appreciate an X2 owner taking and posting up some measurements?

Is there an air cooler that will work as an alternative? I don't want to spend £70 on an EK block for a card I'll be replacing in a few month...

TYIA

Edit: This non ref design doesn't bother cooling the PLC chip (much) so with this in mind the mcw60 option looks good... If only we knew they fit...